> How would I setup my filters to allow internal users to go out and back in allowing > the ports required for the IM connection? You don't. You use split DNS. > For external users I figure I would just publish the server maybe? would that be > correct Correct. John Tolmachoff MCSE, CSSA IT Manager, Network Engineer RelianceSoft, Inc. Fullerton, CA 92835 www.reliancesoft.com